women's liberationist vs libber

women's liberationist and libber both are nouns.

Word	Noun	Adjective	Verb	Adverb
women's liberationist	Yes	No	No	No
libber	Yes	No	No	No

As nouns, women's liberationist and libber are synonyms defined as:

Other synonyms of women's liberationist include feminist, women's rightist.

women's liberationist (noun)	libber (noun)
a supporter of feminism	a supporter of feminism